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Optical Engineering

Passively Q-switched Nd:GdTaO4 laser by graphene oxide saturable absorber
Author(s): Bingyuan Zhang; Qi Song; Guoju Wang; Yajing Gao; Qingli Zhang; Minghong Wang; Wenjun Wang
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Paper Abstract

We experimentally demonstrated a laser diode-pumped Q-switched Nd:GdTaO4 crystal laser at 1066 nm using a multilayer graphene oxide as the saturable absorber (GOSA). The GOSA is fabricated by transferring the liquid-phase-exfoliated GO nanosheets onto a K9 glass substrate. When the GOSA was inserted into the plano–plano laser cavity, a stable Q-switched laser operation is achieved with a maximum average output power of 0.382 W and repetition rate of 362 kHz. The shortest pulse duration is 194 ns and the single pulse energy is about 1.05 μJ.

Paper Details

Date Published: 21 December 2015
PDF: 4 pages
Opt. Eng. 55(8) 081305 doi: 10.1117/1.OE.55.8.081305
Published in: Optical Engineering Volume 55, Issue 8
Show Author Affiliations
Bingyuan Zhang, Liaocheng Univ. (China)
Qi Song, Liaocheng Univ. (China)
Guoju Wang, Liaocheng Univ. (China)
Yajing Gao, Liaocheng Univ. (China)
Qingli Zhang, Anhui Institute of Optics and Fine Mechanics (China)
Minghong Wang, Liaocheng Univ. (China)
Wenjun Wang, Liaocheng Univ. (China)


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